Marantz SR4003 AVR HDMI board issue, seeking for help

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  • aliougm
    Member
    • Oct 2021
    • 11
    • Taiwan
    #1

    Marantz SR4003 AVR HDMI board issue, seeking for help

    I have problem with my AVR(Marantz SR4003) HDMI board issue. I connect to my TV but screen color distorted,see attached picture.

    Connection as below:
    Set-top box HDMI output >AVR 3 HDMI input/one HDMI output>HDTV HDMI port
    If I bypassed AVR then HDTV screen color be good.

    I take out HDMI board from AVR and check services manual the schematic shown the HDMI signals path:
    3 HDMI input port > SIL9185 chip(HDMI switch) > SIL9033 chip(HDMI receiver) > SIL9030 chip(HDMI transmitter) > HDMI output port

    I replaced all of these three chips but no change. Power to chip 1.8Vand 3.3V is fine. I have no idea what the next I can do.

    Anybody has experience to deal with such problem, please advice, thanks!
    Attached Files
    Last edited by SMDFlea; 05-02-2022, 09:11 AM. Reason: Marantz SR4003
    Tags: None
    • nomoresonys
      Badcaps Legend
      • Jan 2013
      • 12086
      • U.S.
      #2
      Re: AVR HDMI board issue, seeking for help

      probably already tried it but did you try a different hdmi cable?

        Comment

        • aliougm
          Member
          • Oct 2021
          • 11
          • Taiwan
          #3
          Re: AVR HDMI board issue, seeking for help

          Yes, replaced HDMI cable nothing change!

            Comment

            • aliougm
              Member
              • Oct 2021
              • 11
              • Taiwan
              #4
              Re: AVR HDMI board issue, seeking for help

              Solved:
              I found one pin of SIL9033 non-wetting. soldering all of pin once problem was solved. Share it may help for you.

                Comment

                • nomoresonys
                  Badcaps Legend
                  • Jan 2013
                  • 12086
                  • U.S.
                  #5
                  Re: AVR HDMI board issue, seeking for help

                  Nice, glad to hear it.

                    Comment

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